Looking for good PSU

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Nadoedalo

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Jan 11, 2014
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I will buy i7-4770k, two R9 290X, OC it and put water block, ssd, couple of hdd, 12+ fans.

I think that 1150W PSU is a minimum, because it isn't 100% efficient and OC'ed it would be the top-power draw. But I know that they can degrade over time, so the good choice is the ~1300W PSU.

It must have gold or platinum certificate, one 140mm fan that is quite enough, have all kinds of protections(don't want to burn all of my stuff just because of 30$ economy on PSU) and be of very good quality.

I think that EVGA Supernova 1300 is a good choice, but I can't find where to buy it. It is a good enough PSU with a good price(230$).
 
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woltej1

woltej1

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HiTechObsessed

HiTechObsessed

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verma1891

verma1891

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I really dont think an 850W would suffice. Have a look at the estimated wattage even without addition of fans-http://pcpartpicker.com/p/2XnWc
Edit- Parts are added randomly without giving a thought just to estimate the wattage.
 
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HiTechObsessed

HiTechObsessed

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Estimated wattage doesn't mean anything. What wattage you will actually see in real life is what is important. Like I said, that build would see around 650w or so during game play. Overclocked maybe around 700w tops. Power supply calculators and manufacturers usually vastly overstate power requirements. As long as the power supply is quality made, and has enough amp delivery on the +12v rail, it doesn't really matter what the wattage rating is.
 
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verma1891

verma1891

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I think we should never cut our budget on a PSU, even a bit of overkill on the PSU side is favored. 700W is not recommended for R9 290x XF, atleast by me. Moreover, a less watt PSU cannot provide amperage also since Watts and amperage (Power and current) are functions of each other (dependent on each other). Even if the 700W is enough, the PSU may fail in terms of providing current.
 
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HiTechObsessed

HiTechObsessed

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Again, it's quality over quantity in PSUs.

http://www.tweaktown.com/reviews/5991/sapphire-radeon-r9-290-4gb-in-crossfire-video-card-review/index23.html

This setup includes a stupidly overclocked i7 Extreme CPU, and tops out at 750w under full load. The XFX I listed above is able to provide 840w with 70A on the +12v rail, which is plenty for this build.

I don't care what PSU you buy, as long as you buy a quality one. I just want to make sure people don't leave here thinking you need a 1300w power supply for 2 way Crossfire.
 
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verma1891

verma1891

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Yes he cretainly does not need a 1300W. :)
And did u read what they recommend ? :p
"We'd recommend at least the 900 Watt mark, but you couldn't go wrong with a quality 1000 Watt unit."
 
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verma1891

verma1891

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He could. With a 1500 W, there will be a big hole :D in his pocket.
 
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Nadoedalo

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Jan 11, 2014
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I'm planning to get custom water cooling for the video cards, processor and motherboard. That means decent pump and good fans.
Yeah, typical load is far more lower, but I'm planning on using AND upgrading(like 1 more video card if necessary) this PC for over 3 years.
Also, I want 4.7-5 Ghz on CPU, and that means 140 TDP.
Also - good OC on video cards means going over 300 TDP on video cards(that is just not possible on air or stock coolers).

So, 1000W is a minimum requirement for the PSU, and it could degrade and I can't count on any upgrade with it(like additional HDDs). I have counted the wattage with a calculator on overclockers(there is a lot of options and it counts almost everything), and it says 1000W without any overhead, but that just not true for the 3 years system. So, 1150 is a minimum, but 1250-1300 is a good overhead.

Gold or platinum is just because good performance AND durability, don't want it to be burnt or bigger bill for electricity.
Budget is something around 300$, I saw some options, but they don't have a lot of reviews, and I just wanted to ask for the advise of a good one.
 
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Nadoedalo

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Jan 11, 2014
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Yeah, saw that one.
I'm now choosing between Antec HCP-1300, EVGA Supernova 1300 and AEROCOOL Imperator 1150W . Seems that I can't buy EVGA, so the Antec will be next on my list. Any good reviews? It seems to be new and doesen't have lots of reviews.

Any else options maybe? I saw "be quite!" but it too expensive.
 
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